Re: [FFmpeg-user] toggle between two audio streams

On 4/25/17, Jon Beyer wrote: > I'd like to be able to replace the audio with constant tones for certain > intervals of a video. As an example, I might have a thirty second video, > and want to insert 440 Hz from 5 seconds to 10 seconds and again from 15 to > 20 seconds. Assume that I already hav

[FFmpeg-user] toggle between two audio streams

I'd like to be able to replace the audio with constant tones for certain intervals of a video. As an example, I might have a thirty second video, and want to insert 440 Hz from 5 seconds to 10 seconds and again from 15 to 20 seconds. Assume that I already have the 440 Hz tone in a .wav file that

Re: [FFmpeg-user] hls_init_time problem

2017-04-14 16:46 GMT+08:00 ? ? : > Hi, > > I’m record a stream from ip camera with H264 video encoding & PCMA audio > encoding to m3u8 > Ffmpeg version:3.2.4 > OS:OSX > > Here is my command: > > ffmpeg -rtsp_transport tcp -i rtsp://192.168.0.40/1/h264major -vcodec > copy -acodec aac -hls_init_time

Re: [FFmpeg-user] ffmpeg vulnerabilities

2017-04-25 18:38 GMT+02:00 Nounou Dadoun : > This week's CERT vulnerability list included 5 mpeg vulnerabilities and > I'm trying to determine whether the vulnerabilities or fixes are > applicable to us. Me too. (Seriously) > This email, including any files attached hereto (the "email"), contain

[FFmpeg-user] ffmpeg vulnerabilities

Hi folks, This week's CERT vulnerability list included 5 mpeg vulnerabilities and I'm trying to determine whether the vulnerabilities or fixes are applicable to us. We're on the 2.8 branch and although the vulnerability description doesn't say, the implication is that the fixes are applicable

Re: [FFmpeg-user] Extract xvid stream in mov container

2017-04-25 9:52 GMT+02:00 jacques perconte : > > ffmpeg -i input.mov -c:v copy -an output.avi > ffmpeg -loglevel debug -analyzeduration 6M -i nput.mov -c copy -s > 1920x1080 output.avi > > it always print > "[avi @ 0x7fe9e303ce00] Dimensions not set > Could not write header for output file #0 (in

[FFmpeg-user] Extract xvid stream in mov container

Dear Community I have a xvid video stream in a quicktime mov container and i do not manage to extract it without touching the encoding. It is very important for me to protect the image structure of the stream. i tried ffmpeg -i input.mov -c:v copy -an output.avi ffmpeg -loglevel debug -analyzed